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SMC Pentax 67 2x Rear Converter
Pentax · 1975-2008
The SMC Pentax 67 2x Rear Converter doubles focal length at the cost of 2 stops. Works well with quality telephoto lenses to extend reach.
Known for
- Extending telephoto reach
- Wildlife
- Sports
Considerations
- Loses 2 stops
- Quality loss
Optical Characteristics
Sharpness (wide)4/5
Sharpness (stopped)4/5
Contrast4/5
Flare Resistance4/5
CA Control3/5
Vignetting Control4/5
Distortion Control4/5
Bokeh: As per main lens
Rendering: Extends reach
Color: Neutral
Common Issues
- Mount wear
Buying Guide
Useful accessory. Check mount condition.
Specifications
MountPentax 67
Focal Length2x
Max Aperture2 stops
Min ApertureN/A
Weight280g
Optical Design
Formulaother
Elements5
Groups3
CoatingSMC (Pentax)
Pricing
£150 - £300
Typical used price
Mint: ~£400
Useful accessory
Last verified: Jan 2025Report an error